AirHint found the following cheapest return flights from Sao Paulo (GRU) to Sydney (SYD) in September 2025 (see full year).

Return flights

12 Sep - 30 Sep	Qatar Airways
01 Sep - 28 Sep	Qatar Airways
12 Sep - 29 Sep	Qatar Airways
12 Sep - 19 Sep	Qatar Airways
30 Sep - 28 Oct	Turkish Airlines
30 Sep - 07 Oct	Turkish Airlines
01 Sep - 01 Oct	Qatar Airways
05 Sep - 13 Sep	Qatar Airways
22 Sep - 26 Oct	Qatar Airways
07 Sep - 01 Oct	Qatar Airways
22 Sep - 06 Oct	Emirates
04 Sep - 03 Oct	Emirates
17 Sep - 30 Sep	Qatar Airways
08 Sep - 15 Sep	Qatar Airways
01 Sep - 22 Sep	Qatar Airways
01 Sep - 15 Sep	Qatar Airways
05 Sep - 10 Oct	Qatar Airways
18 Sep - 15 Oct	Emirates
25 Sep - 16 Oct	Emirates
01 Sep - 17 Sep	Emirates

Also check the deals for one-way flights from Sao Paulo to Sydney in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sao Paulo to Sydney in September from 1326€

Return flights